[PATCH v4 1/4] dt-bindings: mtd: rzn1: Describe Renesas RZ/N1 NAND controller

[Rob Herring]

On Wed, Dec 15, 2021 at 04:46:16PM +0100, Miquel Raynal wrote:
> Add a Yaml description for this Renesas NAND controller bindings.
> 
> Provide a family-specific "rzn1" compatible and a more specific
> "r9a06g032" one.
> 
> Signed-off-by: Miquel Raynal <miquel.raynal at bootlin.com>
> Reviewed-by: Geert Uytterhoeven <geert+renesas at glider.be>
> ---
>  .../mtd/renesas,rzn1-nand-controller.yaml     | 64 +++++++++++++++++++
>  1 file changed, 64 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mtd/renesas,rzn1-nand-controller.yaml
> 
> diff --git a/Documentation/devicetree/bindings/mtd/renesas,rzn1-nand-controller.yaml b/Documentation/devicetree/bindings/mtd/renesas,rzn1-nand-controller.yaml
> new file mode 100644
> index 000000000000..03a4e99b4d89
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mtd/renesas,rzn1-nand-controller.yaml
> @@ -0,0 +1,64 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mtd/renesas,rzn1-nand-controller.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Renesas RZ/N1x NAND flash controller device tree bindings
> +
> +maintainers:
> +  - Miquel Raynal <miquel.raynal at bootlin.com>
> +
> +allOf:
> +  - $ref: "nand-controller.yaml"
> +
> +properties:
> +  compatible:
> +    items:
> +      - enum:
> +          - renesas,r9a06g032-nand-controller
> +      - const: renesas,rzn1-nand-controller
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    items:
> +      - description: APB host controller clock
> +      - description: External NAND bus clock
> +
> +  clock-names:
> +    items:
> +      - const: hclk
> +      - const: eclk
> +
> +  "#address-cells": true
> +  "#size-cells": true

You can drop these 2 as nand-controller.yaml should cover them.

Reviewed-by: Rob Herring <robh at kernel.org>